ガイアナ共きょう和わ国こくMeanings1nounCo-operative Republic of GuyanaOfficial full name of Guyana. Used in formal contexts, news, and geography.ガイアナ共きょう和わ国こくは南みなみアメリカ大たい陸りくの北ほく部ぶに位い置ちする。The Co-operative Republic of Guyana is located in the northern part of South America.